Known Photoreceptor-Specific Genes Found in the Differential Hybridization Screen
| Gene | No. of clones found |
| Interphotoreceptor retinoid | |
| binding protein | 1 |
| Recoverin | 1 |
| Guanylate cyclase-activating | |
| protein | 1 |
| Arrestin | 2 |
| C-arrestin (X-arrestin) | 2 |
| HRG4 (rhUNC119)[i] | 2 |
[i] From D.A. Swanson, J.T. Chang, P.A. Campochiaro, D.S. Zack, and D. Valle (in prep.).